class Triangle {
double area;
int height;
int length;
public static void main (String[] args) {
int x = 0;
Triangle[] ta = new Triangle[4];
while (x < 4) {
ta[x] = new Triangle();
ta[x].height = (x + 1) * 2;
ta[x].length = x + 4;
ta[x].setArea();
System.out.print("triangle " +x+ ", area");
System.out.println(" = " + ta[x].area);
x = x + 1;
}//close while
int y = x;
x = 27;
Triangle t5 = ta[2];
ta[2].area = 343;
System.out.print("y = " +y);
System.out.println(", t5 area = " +t5.area);
}//close main
void setArea() {
area = (height * length) / 2;
}//close setArea()
}//close class
The code above has an output of:
triangle 0, area = 4.0
triangle 1, area = 10.0
triangle 2, area = 18.0
triangle 3, area = 28.0
y = 4, t5 area = 343.0